body,html{
    width: 100%;
    height: 100%;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
}
.px2rem(@name, @px) {
    @{name}: @px / 75 * 1rem;
}
.header{
    width: 100%;
    .nav{
        .px2rem(line-height,110);
        background: #393a3f;
        span{
            color: #fff;
            .px2rem(font-size,40);
            padding:0 5%;
            width: 10%;
            border-right: 1px solid #2e2e32;
        }
        span:nth-child(2){
            border: none;
        }
    }
}
.main{
    width:100%;
    .div_hg{
        display: flex;
        align-items: center;
        justify-content: center;
        width: 80%;
        margin: 0 auto;
        .px2rem(height,528);
        border-bottom: 1px solid #ccc;
        div{
            text-align: center;
            img{
                .px2rem(width,237);
                .px2rem(height,225);
            }
            p{
                .px2rem(font-size,50);
            }
        }
    }
    .div_txt{
        margin: 0 auto;
        width: 80%;
        li:nth-child(1){
            .px2rem(font-size,40);
            margin-top: 17%;
        }
        li:nth-child(2){
            color: #bcbcbc;
            .px2rem(margin-top,50);
            list-style: disc inside;
            .px2rem(font-size,30);
        }
    }
    input[type="submit"]{
        display: block;
        margin: 0 auto;
        width: 80%;
        .px2rem(height,115);
        background: #04be02;
        color: #fff;
        .px2rem(font-size,40);
        border: none;
        margin-top: 10%;
        border-radius: 10px;
    }
}